(a) Personal notice.--After the amounts to be assessed against the properties to be benefited by the public improvement have been calculated pursuant to the method and procedures as prescribed by ordinance, the city shall give personal notice of the assessment to the owner of each property that is being assessed. The notice shall also state that the owner has 30 days from receipt of the notice to appeal the assessment.
(b) Assessment effective.--An assessment made pursuant to this chapter shall become effective 30 days after personal notice is given by any of the following means:
(1) Personal service on the owner.
(2) Certified mail, addressee only, return receipt requested, to the owner at the owner's last known address.
(3) Posting notice at or upon the property after reasonable attempts to give personal notice pursuant to paragraphs (1) and (2) have failed.